For TCS Tenants

Argonne National Laboratory (ANL), UChicago Argonne, LLC, and the Department of Energy (DOE) are considered the occupants or tenants of the Theory and Computing Sciences Building.

Authorized Person(s)

Our Authorized Person(s) to communicate requests to the Office of the Building are:

Base Building Contact:
Judy Stickels, Manager, TCS Building Operations – Argonne National Laboratory. Contact

Data Center Contact:
William Lucnik, Data Center Facility Manager – Argonne National Laboratory. Contact

Facilities Management / Office of the Building

The Theory and Computing Sciences Building is professionally managed by T5 Data Center Facilities Management.

The facilities management staff is available from 8A to 5P, Monday through Friday. Engineering staff is available from 6A to 6P. The Office of the Building is closed for most nationally recognized holidays. Janitorial coverage is on site from 5:30A to 7:00P.

Building Address

Building 240 – Theory and Computing Sciences Building
9700 S. Cass Avenue
Lemont, Illinois 60439

In the event of an emergency, this address should be given to the Police Department, Fire Department, or Emergency Medical System (EMS) department dispatcher. You can report an emergency by dialing 911 from any landline phone. For cell phones, dial 630-252-1911.